STM32F446RC datasheet(80/202 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F446xC/E

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DocID027107 Rev 6

6.3.5

Reset and power control block characteristics

The parameters given in Table 21 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 16.

Table 21. reset and power control block characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VPVD

Programmable voltage

detector level selection

PLS[2:0]=000 (rising edge)

2.09

2.14

2.19

PLS[2:0]=000 (falling edge)

1.98

2.04

2.08

PLS[2:0]=001 (rising edge)

2.23

2.30

2.37

PLS[2:0]=001 (falling edge)

2.13

2.19

2.25

PLS[2:0]=010 (rising edge)

2.39

2.45

2.51

PLS[2:0]=010 (falling edge)

2.29

2.35

2.39

PLS[2:0]=011 (rising edge)

2.54

2.60

2.65

PLS[2:0]=011 (falling edge)

2.44

2.51

2.56

PLS[2:0]=100 (rising edge)

2.70

2.76

2.82

PLS[2:0]=100 (falling edge)

2.59

2.66

2.71

PLS[2:0]=101 (rising edge)

2.86

2.93

2.99

PLS[2:0]=101 (falling edge)

2.65

2.84

3.02

PLS[2:0]=110 (rising edge)

2.96

3.03

3.10

PLS[2:0]=110 (falling edge)

2.85

2.93

2.99

PLS[2:0]=111 (rising edge)

3.07

3.14

3.21

PLS[2:0]=111 (falling edge)

2.95

3.03

3.09

VPVDhyst(1) PVD hysteresis

100

VPOR/PDR

Power-on/power-down

reset threshold

Falling edge

1.60

1.68

1.76

Rising edge

1.64

1.72

1.80

VPDRhyst(1) PDR hysteresis

VBOR1

Brownout level 1

threshold

Falling edge

2.13

2.19

2.24

Rising edge

2.23

2.29

2.33

VBOR2

Brownout level 2

threshold

Falling edge

2.44

2.50

2.56

Rising edge

2.53

2.59

2.63

VBOR3

Brownout level 3

threshold

Falling edge

2.75

2.83

2.88

Rising edge

2.85

2.92

2.97

VBORhyst(1) BOR hysteresis

100

TRSTTEMPO

(1)(2)

POR reset temporization -

0.5

1.5

3.0

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